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Thread started 11 Nov 2006 (Saturday) 18:29
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EF 70-300: What if I focus manually?

 
kitacanon
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Nov 11, 2006 18:29 |  #1

I'm looking at a (non-USM) micro motor focusing model...I know that there is a difference using AF, but what about using it strictly as a manual focus lens...stopped down a bit for sharpening...
thanx for your replies...


My Canon kit 450D/s90; Canon lenses 18-55 IS, 70-210/3.5-4.5....Nikon kit: D610; 28-105/3.5-4.5, 75-300/4.5-5.6 AF, 50/1.8D Nikkors, Tamron 80-210; MF Nikkors: 50/2K, 50/1.4 AI-S, 50/1.8 SeriesE, 60/2.8 Micro Nikkor (AF locked), 85mm/1.8K-AI, 105/2.5 AIS/P.C, 135/2.8K/Q.C, 180/2.8 ED, 200/4Q/AIS, 300/4.5H-AI, ++ Tamron 70-210/3.8-4, Vivitar/Kiron 28/2, ser.1 70-210/3.5, ser.1 28-90; Vivitar/Komine and Samyang 28/2.8; 35mm Nikon F/FM/FE2, Rebel 2K...HTC RE UWA camera

  
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Jon
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Nov 12, 2006 08:56 |  #2

Which camera? Manual focus without a screen designed for MF assist will be problematical at best. If you get a screen with MF aid it'll be somewhat easier but the DR family are generally considered to have small, dark finders which will make that difficult even then.

The chief criticisms levied against the 75-300 family are with the optics, especially at the long end; AF vs MF. micro-motor vs USM aren't going to affect that. Stopping down 1-2 stops, if you can afford the light loss, will help with that.


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kitacanon
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Nov 12, 2006 09:07 |  #3

I have a d30 and will get a 10d, but I can see what you mean about having the right screen for MF...on my Nikons I replaced all the split screens for the basic matte center circle so the D screens aren't so foreign to me.


My Canon kit 450D/s90; Canon lenses 18-55 IS, 70-210/3.5-4.5....Nikon kit: D610; 28-105/3.5-4.5, 75-300/4.5-5.6 AF, 50/1.8D Nikkors, Tamron 80-210; MF Nikkors: 50/2K, 50/1.4 AI-S, 50/1.8 SeriesE, 60/2.8 Micro Nikkor (AF locked), 85mm/1.8K-AI, 105/2.5 AIS/P.C, 135/2.8K/Q.C, 180/2.8 ED, 200/4Q/AIS, 300/4.5H-AI, ++ Tamron 70-210/3.8-4, Vivitar/Kiron 28/2, ser.1 70-210/3.5, ser.1 28-90; Vivitar/Komine and Samyang 28/2.8; 35mm Nikon F/FM/FE2, Rebel 2K...HTC RE UWA camera

  
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EF 70-300: What if I focus manually?
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